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Product comparison · 2 external hard drives

ADATA 250GB Classic CH91 2.5” vs ADATA 640GB SH93 Portable

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  • 13specifications compared
  • 4differ
  • 9identical
  • 15known for one product only

Key differences

  • HDD capacity
    • 250 GB
    • 640 GB
  • Product colour
    • Blue
    • Black, Red
  • Dimensions (WxDxH)
    • 82 x 134 x 15.7 mm
    • 97 x 129 x 19.2 mm

Side by side

Differences highlightedShow differences only
28 specifications
A

ADATA

250GB Classic CH91 2.5”View product
B

ADATA

640GB SH93 PortableView product
Hard drive1 differ
HDD capacityDiffers250 GB640 GB
HDD speedKnown for one5400 RPM
InterfaceKnown for oneSerial ATA
Ports & interfacesidentical
Maximum data transfer rateKnown for one480 Mbit/s
USB connectorKnown for oneUSB
USB versionKnown for one2.0
Features1 differ
Product colourDiffersBlueBlack, Red
LED indicatorsKnown for oneYes
Weight & dimensionsidentical
WidthKnown for one97 mm
DepthKnown for one129 mm
HeightKnown for one19.2 mm
WeightKnown for one240 g
Other features2 differ
Interface typeKnown for oneUSB 2.0
MaterialKnown for oneRubber
Quick start guideKnown for oneYes
USB cableKnown for oneUSB
Compatible operating systemsDiffersWindows 2000, XP, Vista Mac OS X 10.4+ Linux Kernal 2.4+Windows XP/Vista/7 Mac OS X 10.5, 10.6 Linux 2.4
Dimensions (WxDxH)Differs82 x 134 x 15.7 mm97 x 129 x 19.2 mm
Packaging dataidentical
Bundled softwareKnown for oneHDD to go

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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